package Thread.Demo3;

/**
 * @Author wangzhipeng
 * @Date 2020-08-10 10:28 上午
 * @Description 两个线程 龟兔赛跑
 */
public class Race implements Runnable{

    //胜利者
    private static String winner;

    public void run() {
        for(int i = 0; i <=100; i++){

            //模拟兔子休息
            if (Thread.currentThread().getName().equals("兔子") && i==90){
                try {
                    Thread.sleep(10);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            boolean flag = gameOver(i);
            //比赛结束，停止程序
            if(flag){
                break;
            }

            System.out.println(Thread.currentThread().getName()+"跑了"+i+"步");
        }
    }


    //判断是否完成比赛
    private  boolean gameOver(int steps){
        //判断是否有胜利者
        if(winner != null){
            return true;
        }{
            if(steps >= 100){
                winner = Thread.currentThread().getName();
                System.out.println("winner is "+winner);
                return true;
            }
        }
        return false;
    }


    public static void main(String[] args) {
        Race race = new Race();
        new Thread(race,"兔子").start();
        new Thread(race,"乌龟").start();
    }
}
